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Old 08-21-2020   #61
Corvette95
 
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Default Re: Really need help with the last small issue with my 90

too early to tell, but the alternator was rebuilt while plenum was off. Man, I hope that would be the answer to this saga! Tune in tomorrow!
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Old 08-22-2020   #62
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Default Re: Really need help with the last small issue with my 90

Second consecutive day of cold start with alternator unplugged...cranked fine on first start again. Going to let it sit for 24 hours and try tomorrow with alternator plugged back up.
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1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD
1995 C4 Coupe Purple/Blk 6 Speed
1989 C4 Conv Wht/Red Auto SOLD
1996 C4 Conv Black/Tan Auto SOLD
1994 C4 Coupe Wht/Blk SOLD
1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD
1986 C4 Coupe Black/Red 4+3 SOLD
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Old 08-22-2020   #63
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Default Re: Really need help with the last small issue with my 90

Quote:
Originally Posted by Corvette95 View Post
Second consecutive day of cold start with alternator unplugged...cranked fine on first start again. Going to let it sit for 24 hours and try tomorrow with alternator plugged back up.
You may be on to something.... 🤞
H
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Old 08-23-2020   #64
Corvette95
 
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Default Re: Really need help with the last small issue with my 90

20 hours cold sit. Plugged alternator in before first start...turned ignition 3 second crank then start without issue. The saga continues....
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1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD
1995 C4 Coupe Purple/Blk 6 Speed
1989 C4 Conv Wht/Red Auto SOLD
1996 C4 Conv Black/Tan Auto SOLD
1994 C4 Coupe Wht/Blk SOLD
1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD
1986 C4 Coupe Black/Red 4+3 SOLD
1990 C4 ZR-1 Red/Red #0454
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Old 08-05-2022   #65
JG95ZR1
 
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Default Re: Really need help with the last small issue with my 90

Ever find the issue with your car?


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Old 08-12-2022   #66
Corvette95
 
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Default Re: Really need help with the last small issue with my 90

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Ever find the issue with your car?


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Yep. Alternator pigtail. Car runs perfect. Can balance a nickle on the plenum at 2000 rpms.

http://www.zr1.net/forum/showthread.php?t=32682
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Corvette95 Registry and Forum (*************)
1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD
1995 C4 Coupe Purple/Blk 6 Speed
1989 C4 Conv Wht/Red Auto SOLD
1996 C4 Conv Black/Tan Auto SOLD
1994 C4 Coupe Wht/Blk SOLD
1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD
1986 C4 Coupe Black/Red 4+3 SOLD
1990 C4 ZR-1 Red/Red #0454

Last edited by Corvette95; 08-12-2022 at 03:22 AM.
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Old 08-12-2022   #67
Erik
 
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Default Re: Really need help with the last small issue with my 90

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Originally Posted by Corvette95 View Post
Yep. Alternator pigtail. Car runs perfect. Can balance a nickle on the plenum at 2000 rpms.

http://www.zr1.net/forum/showthread.php?t=32682
Whaaaaatttt? What the heck was it doing?
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